adds: compile empty file
Merge branch 'develop' into grammar
adds empty grammar
ready to impl grammar
initial grammar in README
initial grammar class
initial AST
fixes README
adds tree cc files
fixes fackln.h includes logger.h
impl initial tree cc
impl initial expr tree cc
adds initial test
creates Makefile
ignores *.o
adds initial grammar spec
Merge branch 'grammar' of https://github.com/nokamoto/fackln into grammar
adds true/false spec
adds grammar test
enhances grammar spec